@article{Koster2021,
author = {Koster, T. and Castro-Martin, T.},
title= {Are separated fathers less or more involved in childrearing than partnered fathers?},
year = {2021},
doi = {10.1007/s10680-021-09593-1},
volume = {37},
number = {4–5},
pages = {933--957},
}